25019840

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1907}}^1$

素因数の和:1965

約数の個数: 56

約数和(自身を含む): 61063632

約数和(自身を除く): 36043792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 1907, 2624, 3280, 3814, 6560, 7628, 9535, 13120, 15256, 19070, 30512, 38140, 61024, 76280, 78187, 122048, 152560, 156374, 305120, 312748, 390935, 610240, 625496, 781870, 1250992, 1563740, 2501984, 3127480, 5003968, 6254960, 12509920, 25019840]

約数ペア:

[(1, 25019840), (2, 12509920), (4, 6254960), (5, 5003968), (8, 3127480), (10, 2501984), (16, 1563740), (20, 1250992), (32, 781870), (40, 625496), (41, 610240), (64, 390935), (80, 312748), (82, 305120), (160, 156374), (164, 152560), (205, 122048), (320, 78187), (328, 76280), (410, 61024), (656, 38140), (820, 30512), (1312, 19070), (1640, 15256), (1907, 13120), (2624, 9535), (3280, 7628), (3814, 6560)]